Year	Percent
1960-01-01	8.061560000000000
1961-01-01	9.362330000000000
1962-01-01	10.630700000000000
1963-01-01	10.474500000000000
1964-01-01	11.061300000000000
1965-01-01	11.160600000000000
1966-01-01	12.359000000000002
1967-01-01	13.787800000000000
1968-01-01	15.094000000000001
1969-01-01	16.573300000000000
1970-01-01	16.451100000000000
1971-01-01	17.941700000000000
1972-01-01	18.598200000000000
1973-01-01	20.188000000000000
1974-01-01	22.025200000000000
1975-01-01	24.963500000000000
1976-01-01	26.602700000000000
1977-01-01	28.974700000000000
1978-01-01	32.389400000000000
1979-01-01	33.771900000000000
1980-01-01	39.650000000000000
1981-01-01	48.809800000000000
1982-01-01	53.949400000000000
1983-01-01	58.894200000000000
1984-01-01	64.285500000000000
1985-01-01	76.808400000000000
1986-01-01	91.166400000000000
1987-01-01	84.474700000000000
1988-01-01	77.803300000000000
1989-01-01	80.815200000000000
1990-01-01	72.644100000000000
1991-01-01	62.855700000000000
1992-01-01	81.101800000000000
1993-01-01	93.123300000000000
1994-01-01	94.057000000000000
1995-01-01	102.357000000000010
1996-01-01	115.342999999999990
1997-01-01	129.887000000000000
1998-01-01	144.567999999999980
1999-01-01	133.024000000000000
2000-01-01	114.315000000000000
2001-01-01	118.783999999999990
2002-01-01	111.312000000000010
2003-01-01	107.189000000000000
2004-01-01	100.870000000000000
2005-01-01	98.601200000000000
2006-01-01	97.449500000000000
2007-01-01	93.856600000000000
2008-01-01	90.762600000000000
2009-01-01	104.161000000000000
2010-01-01	101.687000000000010
2011-01-01	102.820000000000000
2012-01-01	107.910000000000000
2013-01-01	114.125000000000000
2014-01-01	115.499000000000000
2015-01-01	119.583000000000000
2016-01-01	120.073000000000000